Type Confusion in json-pointer - CVE-2021-23820

 

Type Confusion in json-pointer - CVE-2021-23820

Published: March 7, 2022 / Updated: March 31, 2023


Vulnerability identifier: #VU61046
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2021-23820
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Manuel Stofer
Affected software:
json-pointer

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error. A remote attacker can pass specially crafted data to the application, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-23820

Install update from vendor's website.

Sources